Budenberg Diaphragm Seal Gauge, CFN
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CFN Diaphragm Seal Gauge

Brand: Budenberg
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The CFN is a high integrity Diaphragm Seal Gauge designed to withstand the high pressures and temperatures normally associated with Chemical and Oil / Gas applications.

The CFN has a diaphragm clamped between the upper and lower chambers thereby optimising the use of exotic materials for the wetted parts.

A unique feature of the unit is the ability to set the diaphragm to ‘lock off’ at set pressures thereby protecting the unit from major overload conditions up to and including 400 Bar. This eliminates the need for expensive overload protection valves.

Available in a wide range of options including a choice of dial sizes, connections, materials, filling fluids and options to permit operation at temperatures in excess of 440° C.

Specifications

Brand

Approvals & Certifications

  • FDA
  • PED

Flange Size - 3/4” (DN 20)

  • 3/4” (DN 20) - 150#
  • 3/4” (DN 20) - 1500#
  • 3/4” (DN 20) - 300#
  • 3/4” (DN 20) - 600#
  • 3/4” (DN 20) - 900#
  • 3/4” (DN 20) - PN 10

Flange Size - 1” (DN 25)

  • 1” (DN 25) - 150#
  • 1” (DN 25) - 1500#
  • 1” (DN 25) - 300#
  • 1” (DN 25) - 600#
  • 1” (DN 25) - 900#
  • 1” (DN 25) - PN 10

Flange Size - 3” (DN 80)

  • 3” (DN 80) - 150#
  • 3” (DN 80) - 1500#
  • 3” (DN 80) - 300#
  • 3” (DN 80) - 600#
  • 3” (DN 80) - 900#

Flange Size - 1/2” (DN 15)

  • 1/2” (DN 15) - 150#
  • 1/2” (DN 15) - 1500#
  • 1/2” (DN 15) - 300#
  • 1/2” (DN 15) - 600#
  • 1/2” (DN 15) - 900#
  • 1/2” (DN 15) - PN 10

Flange Size - 1-1/2” (DN 40)

  • 1-1/2” (DN 40) - 150#
  • 1-1/2” (DN 40) - 1500#
  • 1-1/2” (DN 40) - 300#
  • 1-1/2” (DN 40) - 600#
  • 1-1/2” (DN 40) - 900#

Flange Size - 2” (DN 50)

  • 2” (DN 50) - 150#
  • 2” (DN 50) - 1500#
  • 2” (DN 50) - 300#
  • 2” (DN 50) - 600#
  • 2” (DN 50) - 900#

Fill Material

  • Mineral Oil, Silicon HT Oil, Medicinal Paraffin, Glycerine, Syltherm XLT & 400

Operating Temperature

  • -20° to +100° C
  • Max 450° C

Materials of Construction

  • Standard 316L Stainless Steel
  • Options (CFN-R): Hastelloy C276, Titanium, Tantalum or Monel 400

Pressure Range

  • 1 to 400 bar

Accuracy Class

  • 1.0% as EN837

Dial Size

  • 63 mm, 100 mm & 150 mm Standard

  • Oil and Gas
  • Chemical
  • Petrochemical
  • Water and Waste Water
  • Food and Beverage
  • Pharmaceutical

Documentation

Data Sheets

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